gns3: Fix python package not being pinned (#77701)

Due to https://github.com/NixOS/nixpkgs/issues/44426 the correct psutils
package is not picked up, this commit changes the code so the correct
version is always picked.

1 files changed, 13 insertions, 2 deletions

diff --git a/pkgs/applications/networking/gns3/default.nix b/pkgs/applications/networking/gns3/default.nix
index 71044bd0f181..2dae8377055f 100644
--- a/pkgs/applications/networking/gns3/default.nix
+++ b/pkgs/applications/networking/gns3/default.nix
@@ -7,8 +7,19 @@ let
     let version = if args.stable then stableVersion else previewVersion;
         branch = if args.stable then "stable" else "preview";
     in args // { inherit version branch; };
-  mkGui = args: callPackage (import ./gui.nix (addVersion args)) { };
-  mkServer = args: callPackage (import ./server.nix (addVersion args)) { };
+  extraArgs = {
+    mkOverride = attrname: version: sha256:
+      self: super: {
+        ${attrname} = super.${attrname}.overridePythonAttrs (oldAttrs: {
+          inherit version;
+          src = oldAttrs.src.override {
+            inherit version sha256;
+          };
+        });
+      };
+  };
+  mkGui = args: callPackage (import ./gui.nix (addVersion args // extraArgs)) { };
+  mkServer = args: callPackage (import ./server.nix (addVersion args // extraArgs)) { };
   guiSrcHash = "1yxwbz93x9hn5y6dir8v7bdfsmfgppvjg4z88l8gx82hhf2476fx";
   serverSrcHash = "1d3m8qrz82g8ii6q6j015wqwp6j0415fbqbjvw43zhdx5mnn962d";
 in {